Nth derivative of tan inverse x

Is 31 a prime number

4 sin180 degrees + 2 sec0 degrees

A local gym charges nonmembers $10 per hour to use the tennis courts. Members pay a yearly fee of $300 and $4 per hour for using the tennis courts.

Carla is saving money for a trip. She already has some money in her savings account and will add the same amount to her account each week at the end of two weeks Carla has 130 at the of 8 week she has 280 write a linear function y=

the measure of one angle of a right triangle is 38 degrees more than the measure of the smallest angle. find the measures of all three angles.

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.